On Friday, I had the honor of attending Andreas Deja's lecture. Andreas is a prolific Disney animator, having animated King Triton from Little Mermaid, Gaston from Beauty and the Beast, Jafar from Aladdin, and Scar from Lion King. (And many more!) It was amazing to see someone behind some of my favorite childhood films. I think if I was an animator, I would want to work on villains too.
For King Triton, he said he fleshed out his character by thinking of him as a father rather than a king. Remember that scene when King Triton destroyed all of Ariel's treasures? That broke my heart--it's done so well.
Gaston was very challenging for Andreas because Gaston had to be both handsome and a monster on the inside. He would draw him handsome for the most part, but with flashes of monstrous expressions.
Andreas noted that a lot of the characters in Aladdin were very active and moving a lot, particularly Genie. So to contrast it, he made Jafar calm and still.
The voice actor, Jeremy Irons, drove a lot of the animation for Scar. Some great touches Andreas added was a "slicked back" mane for Scar and a little scar on his face.
Andreas even drew the characters in front of us. If you're interested in more of his work, check out his blog!